Problem in capturing key board event

Question

Hi
I am trying chart selection using keyboard.I tried same
example given in "
http://livedocs.adobe.com/flex/3/datavis_flex3.pdf"
code is
<?xml version="1.0" ?>
<!-- charts/SelectAllItems.mxml -->
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import flash.events.KeyboardEvent;
import mx.charts.events.ChartItemEvent;
[Bindable]
private var expensesAC:ArrayCollection = new ArrayCollection(
{ Month: "Jan", Profit: 2000, Expenses: 1500, Amount: 450 },
{ Month: "Feb", Profit: 1000, Expenses: 200, Amount: 600 },
{ Month: "Mar", Profit: 1500, Expenses: 500, Amount: 300 },
{ Month: "Apr", Profit: 1800, Expenses: 1200, Amount: 900 },
{ Month: "May", Profit: 2400, Expenses: 575, Amount: 500 }
private function initApp():void {
application.addEventListener(KeyboardEvent.KEY_UP,
keyHandler);
private function keyHandler(event:KeyboardEvent):void {
var ctrlPressed:Boolean = event.ctrlKey;
// If the user presses Ctrl + A, select all chart items.
if (ctrlPressed) {
var curKeyCode:int = event.keyCode;
if (curKeyCode == 65) { // 65 is the keycode value for 'a'
selectItems();
private function selectItems():void {
// Create an array of all the chart's series.
var allSeries:Array = myChart.series;
// Iterate over each series.
for (var i:int=0; i<allSeries.length; i++) {
var selectedData:Array = [];
// Iterate over the number of items in the series.
for (var j:int=0; j<expensesAC.length; j++) {
selectedData.push(j);
// Use the series' selectedIndices property to select all the
// chart items.
allSeries
.selectedIndices = selectedData;
]]>
</mx:Script>
<mx:Panel height="100%" width="100%">
<mx:PlotChart id="myChart"
height="207"
width="350"
showDataTips="true"
dataProvider="{expensesAC}"
selectionMode="multiple"
>
<mx:series>
<mx:PlotSeries id="series1"
xField="Expenses"
yField="Profit"
displayName="Expenses/Profit"
selectable="true"
/>
<mx:PlotSeries id="series2"
xField="Amount"
yField="Expenses"
displayName="Amount/Expenses"
selectable="true"
/>
<mx:PlotSeries id="series3"
xField="Profit"
yField="Amount"
displayName="Profit/Amount"
selectable="true"
/>
</mx:series>
</mx:PlotChart>
<mx:Legend dataProvider="{myChart}" width="200"/>
</mx:Panel>
</mx:Application>
This example won't work. nothing happen after pressing ctrl
+A .
can any body help me in that?
Thanks
sm

Answer 1

This line of your code:
allSeries.selectedIndices = selectedData;
should be this (that's what in the PDF):
allSeries.selectedIndices = selectedData;
Ya gotta copy the sample code correctly...
Also, nothing will happen from the keyboard until you click
somewhere on the chart.